Set the required permissions for the BlackBerry Enterprise Server in Microsoft Exchange 2007. For more information, see KB12483.Note: If Microsoft Exchange System Manager 2003 Service Pack 2 is installed on the BlackBerry Enterprise Server, skip to step 10.

Remove Microsoft Exchange System Manager 2000.

Perform a search for MAPI32.dll and cdo.dll.

Rename any cdo.dll and MAPI32.dll files from the system32 folder and the program files\exchsrvr\bin folder to a .bak file extension.